Home / 28,573.80-42,863.51-9,851.36

Finding the Fourth Proportional to 28,573.80, 42,863.51 and 9,851.36

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Solution

The fourth proportional to 28,573.80, 42,863.51 and 9,851.36 is: 14,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.80 : 42,863.51 = 9,851.36 : x
  2. Step 2: Convert to fraction form
    28,573.80/42,863.51 = 9,851.36/x
  3. Step 3: Cross multiply
    28,573.80x = 42,863.51 × 9,851.36
  4. Step 4: Simplify right side
    28,573.80x = 422,263,678.18
  5. Step 5: Solve for x
    x = 422,263,678.18/28,573.80
  6. Step 6: Final answer
    x = 14,778.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.